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Enhanced performance of graphene transparent conductive films by introducing SiO2 bilayer antireflection nanostructure

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Abstract

The performance of graphene transparent conductive films (TCFs) can be greatly enhanced by introducing an antireflection (AR) nanostructure. We directly deposited graphene on silica nanosphere/acid-catalyzed silica layer (SNS/a-SL) AR nanostructure by assisted catalysis of Cu nanoparticles in ambient pressure chemical vapor deposition to obtain graphene composite TCFs. By introducing the SNS/a-SL AR nanostructure, the transmittance and sheet resistance of graphene TCFs achieved were 89.65% and 2.04 kΩ sq−1, respectively. Compared to graphene films, the transmittance was improved by 5.5% and sheet resistance was reduced by 0.44 kΩ sq−1. The SNS/a-SL AR nanostructure effectively reduced reflection from the substrates owing to the structure of gradient refractive index and exhibited good stability at high temperatures because of the existence of a-SL. The AR nanostructure also could provide more electronic transport channels to achieve regulation of the electrical property of graphene TCFs. This method simultaneously improves the transmittance and conductivity of graphene TCFs by a facile process, providing an important method to prepare graphene TCFs with excellent performance.

Graphical abstract: Enhanced performance of graphene transparent conductive films by introducing SiO2 bilayer antireflection nanostructure

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Publication details

The article was received on 15 Jul 2019, accepted on 04 Nov 2019 and first published on 07 Nov 2019


Article type: Paper
DOI: 10.1039/C9NJ03671G
New J. Chem., 2019, Advance Article

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    Enhanced performance of graphene transparent conductive films by introducing SiO2 bilayer antireflection nanostructure

    Y. Huang, J. Lin, L. Liu, Q. Lu, X. Zhang, G. Zhang and D. Li, New J. Chem., 2019, Advance Article , DOI: 10.1039/C9NJ03671G

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